This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
The habitat of this plant is thickets, heaths, copses, banks, thatched roofs, stony places, trees, or damp and loose soil in shady places. It has a climbing habit, intermediate between a leaf-climber and a tendril-climber, the leaves ending in branched tendrils. The stem is slender and brittle. The leaves are bluish-green, with lobes each side of a common stalk, ternate, the leaflets entire, elliptic, 3-5-lobed, with small egg-shaped segments. The leaf-stalk bears tendrils. The bracts are oblong, with a blunt point, longer than the flower-stalks. The small flowers are white or cream-coloured, with a very short spur. The pods are linear, oblong, the seeds small, granulate, shining. The plant is a climber, flowering between June and September, and is either annual, biennial, or perennial.
 
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